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What is demodulation ?...

What is demodulation ?

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Process of detection or demodulation is the inverse of modulation. During Demodulation, audio signal is separated from modulated signal and fed to the speaker or head-phone which reproduces the original sound.
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MBD -HARYANA BOARD-PRINCIPLES OF COMMUNICATION-Short Answer Type Questions
  1. What do you understand by a complex or a composite signal ? Explain fr...

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  2. What is modulation and demodulation ?

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  3. What is demodulation ?

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  4. What is modulation ? Briefly explain three reasons which make modulati...

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  5. Why modulation is necessary ?

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  6. What is modulation? Explain its necessity.

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  7. Explain the term modulation index for F.M. and F.M. band width. Give t...

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  8. Explain Amplitude modulation and AM Band width. Give a few advantages ...

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  9. Find the expression for coverage distance and height of transmitting a...

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  10. Establish a relation between coverage distance and height of transmitt...

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  11. Deduce an expression for the distance from which the T.V. signals can ...

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  12. 'Greater the height of T.V. transmitting antenna, greater is its range...

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  13. what is a ground wave or surface wave ?

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  14. Why sky wave propagation of electromagnetic waves cannot be used for T...

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  15. A T.V Tower has a height of 300m. What is the maximum distance upto wh...

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  16. Briefly explain the two ways by which radio waves are propagated in at...

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  17. What is meant by 'remote sensing' ? Mention any two applications of ...

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  18. What do you understand by active and passive satellites ?

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  19. What is the basic difference between an analog communication system an...

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  20. Explain surface wave propagation of radio waves. Why does this method ...

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